RESEARCH AND DEVELOPMENT COSTS AS A BARRIER TO ENTRY

被引：70

作者：

MUELLER, DC

TILTON, JE

机构：

[1] CORNELL UNIV, ITHACA, NY USA

[2] BROOKINGS INST, WASHINGTON, DC USA

来源：

CANADIAN JOURNAL OF ECONOMICS | 1969年 / 2卷 / 04期

关键词：

D O I：

10.2307/133844

中图分类号：

F [经济];

学科分类号：

02 ;

摘要：

引用

页码：570 / 579

页数：10

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